Patent US4292237A successfully refreshed from Google Patents.
US3036330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gate closing device
Assignee: Individual
•
Filing: 1959-05-25
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Granted: 1962-05-29
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Expires: 1979-05-25
Abstract
No abstract record available.
Inventors
- 👤 Melvin S Hollidge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:35
CPC Classifications
E; E05; E05F; E05F1/00; E05F1/08; E05F1/10; E05F1/1041; E05F1/1066; E06; E06B; E06B11/00; E06B11/02; E05Y; E05Y2900/00; E05Y2900/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US675041A
Cited
US1135324A
Cited
US1581029A
Cited
US2315106A
Cited
US2587287A
Cited
US2777153A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |